Inner court regulations are set forth in Section 23-352 and outer court regulations are set forth in Section 23-353. Permitted obstructions in such courts are set forth in Section 23-351.

These regulations shall not apply to any single- or two-family detached residence.

A corner of a court may be cut off between walls of the same building, provided that the length of the wall of such cut-off does not exceed seven feet.

The Commissioner of Buildings may approve minor recesses, projections and architectural treatment of the outline of courts as long as these variations do not substantially change the depth or width of the court.